*,
:after,
:before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 全局滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
}
/*定义滚动条轨道 内阴影*/
::-webkit-scrollbar-track {
  border-radius: 8px;
  background-color: #fff;
}
/*定义滑块 内阴影*/
::-webkit-scrollbar-thumb {
  transition: background-color 0.3s;
  background-color: rgba(144, 147, 153, 0.3);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
  background-color: rgba(144, 147, 153, 0.5);
}
